AMRC Ameresco, Inc.: institutional ownership and insider trading
201 funds reported holding $1.05B of Ameresco, Inc. in their latest 13F filings; in Q2 2026 funds net bought $125M, with 32 new positions and 26 funds selling out; over the last 12 months insiders bought $1.91M and sold $1.46M on the open market.
Famous investors holding AMRC
- D. E. Shaw (D. E. Shaw & Co.): $34.7M, 0.0% of the portfolio
- Izzy Englander (Millennium Management): $41.0M, 0.0% of the portfolio
- Ken Griffin (Citadel Advisors): $6.39M, 0.0% of the portfolio
Largest institutional holders of AMRC
- WELLINGTON MANAGEMENT GROUP LLP — $93.1M
- BlackRock, Inc. (BLK) — $73.2M
- VANGUARD GROUP INC — $70.7M
- Grantham, Mayo, Van Otterloo & Co. LLC — $56.1M
- DIMENSIONAL FUND ADVISORS LP — $44.2M
- STATE STREET CORP (STT, STT-PG) — $44.2M
- MILLENNIUM MANAGEMENT LLC — $41.0M
- VANGUARD CAPITAL MANAGEMENT LLC — $39.5M
- D. E. Shaw & Co., Inc. — $34.7M
- DnB Asset Management AS — $28.3M
Recent AMRC insider trades
- Sep 15, 2026: Maltezos Louis P sold 592 shares ($13.3K)
- Sep 15, 2026: Chiplock Mark sold 476 shares ($10.7K)
- Aug 28, 2026: Sakellaris George P bought 3,000 shares ($66.4K)
- Aug 27, 2026: Sakellaris George P bought 5,000 shares ($113K)
5%+ owners
- Wellington Management Group LLP: 10.2% (Schedule 13G/A, filed May 15, 2026)
- Dimensional Fund Advisors LP: 5.2% (Schedule 13G, filed Oct 8, 2026)
- Neil Gagnon: 5.0% (Schedule 13G, filed Aug 27, 2026)